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521 Cubic Inches

Free Shipping Continental US and Canada

521 Cubic Inches 580 HP Crate Engines

M-6007-521FT Front sump T-pan | $9950
M-6007-521RT Rear sump T-pan | $9950

  • 580 hp @ 5750 rpm
  • 600 lb-ft of torque @ 4500 rpm
  • 10.0:1 compression ratio (nominal)
  • Forged aluminum dished pistons
  • Forged steel H-beam Connecting Rods
  • Billet steel Mechanical Roller Camshaft
  • High-performance front T-sump oil pan, fits most passenger cars that come equipped with front sump pans
  • MSD distributor with M-12390-H Bronze Gear
  • Cast Nodular Iron Crankshaft
  • New heavy-duty 4-bolt Main Siamese Bore Race Block
  • “Super Cobra Jet” Aluminum Cylinder Heads
  • Victor Single-Plane Intake Manifold

Look at what you get:

  • A 521 cubic inch engine assembly that includes the items listed above and a multi-index timing chain set, push rods, roller rocker arms, heavy-duty HV oil pump, pickup tube, high performance oil pan, Ford Racing valve covers, aluminum front cover and water pump, high-performance damper, flywheel, spark plugs, related long block engine parts and NEW M-6010-A460 4-bolt Main Block
  • Ford Racing “Super Cobra Jet” aluminum cylinder heads. They flow significantly more than production 460 heads. Combustion chamber volume is 72cc (nominal)
  • Ford Racing “Super Cobra Jet” valve train includes dual-valve springs, retainers, keepers, seals and premium stainless steel swirl polished valves. Intake diameter is 2.20″ and exhaust valve diameter is 1.76″
  • Ford Racing high-performance solid roller Mechanical Camshaft M-6250-A514 provides significant power horsepower increases above 3500 rpm and good low-end torque. Valve lift is .640″ intake and exhaust. Duration at .050″ is 254 degrees intake and 258 degrees exhaust
  • Ford Racing forged aluminum dished pistons, bore size 4.390″

Tru Trac Serpentine Systems

SB Ford Tru Trac system with A/C and Power Steering | $2295
SB Ford Tru Trac system with A/C, w/o Power Steering | $1945
SB Ford Tru Trac system w/o A/C, with Power Steering | $1895
SB Ford Tru Trac system w/o A/C, w/o Power Steering | $1545

  • Polished Powermaster 105 amp 1-wire alternator
  • Polished billet aluminum 1pc. alternator fan & pulley
  • Natural finish Ford Racing reverse rotation water pump
  • Polished billet aluminum water pump pulley
  • Polished billet aluminum bridge bracket
  • Patent-pending polished billet aluminum tensioner engineered specifically for each Tru Trac serpentine system
  • Polished billet aluminum tensioner pulley
  • Polished billet aluminum crankshaft pulley
  • Polished ARP 12-point stainless steel fasteners
  • Goodyear Gatorback 6-rib serpentine belt
  • Comprehensive installation manual
  • Select pulleys are hard-coat anodized for increased durability in high wear areas

Kits With AC Include:

  • Polished Sanden SD-7 AC compressor
  • Polished billet aluminum AC compressor clutch cover
  • Patented polished billet aluminum AC compressor manifold

Kits With Power Steering Include:

  • Natural finish Maval Mfg. power steering pump with AN fittings
  • Polished billet aluminum power steering pulley